<template>
  <div>
    <el-card shadow="always" :body-style="{ padding: '20px' }">
      <template #header>
        <el-button type="primary" icon="ele-Plus" @click="addTrademark"
          >添加</el-button
        >
      </template>
      <!-- card body -->
      <el-table :data="tabelData" border stripe>
        <el-table-column type="index" width="80" label="序号" />
        <el-table-column label="品牌名称" prop="tmName" />
        <el-table-column label="品牌logo" prop="logoUrl">
          <!-- 表格作用域插槽的作用域数据row代表当前行完整数据 $index代表当前数据的下标 -->
          <template v-slot="{ row }">
            <el-image
              style="height: 100px"
              :src="row.logoUrl"
              fit="fill"
              :lazy="true"
            ></el-image>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template v-slot="{ row }">
            <el-button
              type="warning"
              size="small"
              icon="ele-Edit"
              @click="updateTrademark(row)"
              >修改</el-button
            >

            <el-popconfirm
              title="你确定要删除我吗?"
              @confirm="confirmDelete(row.id)"
            >
              <template #reference>
                <el-button type="danger" size="small" icon="ele-Delete"
                  >删除</el-button
                >
              </template>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>

      <el-pagination
        v-model:page-size="pageSize"
        :page-count="pageCount"
        :pager-count="5"
        :page-sizes="[3, 5, 7, 9]"
        v-model:current-page="currentPage"
        layout=" prev, pager, next, sizes"
      />
    </el-card>

    <!-- 添加或者修改的弹窗 -->
    <el-dialog
      v-model="dialogVisible"
      :title="trademarkData.id ? '修改品牌' : '添加品牌'"
    >
      <el-form
        label-width="120px"
        :rules="rules"
        ref="formEle"
        :model="trademarkData"
      >
        <el-form-item label="品牌名称" prop="tmName">
          <el-input v-model="trademarkData.tmName" />
        </el-form-item>
        <el-form-item label="品牌LOGO" prop="logoUrl">
          <el-upload
            class="avatar-uploader"
            action="http://gmall-h5-api.atguigu.cn/admin/product/upload"
            :show-file-list="false"
            :on-success="handleAvatarSuccess"
            :before-upload="beforeAvatarUpload"
          >
            <img
              v-if="trademarkData.logoUrl"
              :src="trademarkData.logoUrl"
              class="avatar"
            />
            <el-icon v-else class="avatar-uploader-icon"><ele-Plus /></el-icon>
          </el-upload>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取消</el-button>
          <el-button type="primary" @click="addOrUpdate"> 确定 </el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<script lang="ts">
import { defineComponent } from "vue";
export default defineComponent({
  name: "Trademark",
});
</script>

<script setup lang="ts">
import { onMounted, ref, watch, reactive } from "vue";
import { ElMessage, type FormInstance, type FormRules } from "element-plus";
import {
  reqUpdateTrademark,
  reqAddTrademark,
  reqDeleteTrademark,
} from "@/api/trademark";
//引入品牌列表的数组的类型
import type { trademarkListType, trademarkItemType } from "@/api/trademark";
import type { UploadProps } from "element-plus";
//获取trademark的store对象
import useTrademarkStore from "@/stores/trademark";
const trademarkStore = useTrademarkStore();

//首先模拟一个表格数据
const tabelData = ref<trademarkListType>([]);
//page的数据
//1. 每页条数
const pageSize = ref(3);
//2. 总页数
const pageCount = ref(0);
//3. 当前页码
const currentPage = ref(1);

//封装一个请求分页列表，并处理数据的函数
const initTrademark = async () => {
  try {
    await trademarkStore.getTrademake(currentPage.value, pageSize.value);
    tabelData.value = trademarkStore.trademarkList;
    pageCount.value = trademarkStore.pages;
  } catch (e: any) {
    ElMessage.error(e.message);
  }
};
//在mounted中发送请求获取trademark的数据
onMounted(() => {
  initTrademark();
});

//watch监听当前页码和每页条数 只要法神不过变化，则重新发送请求
watch([pageSize, currentPage], () => {
  initTrademark();
});

//弹窗控制显示隐藏的数据定义
const dialogVisible = ref(false);
//定义一个新增或者修改的品牌数据
const trademarkData = ref<trademarkItemType>({
  tmName: "",
  logoUrl: "",
});

//上传逻辑
//整体校验
const formEle = ref<FormInstance>();
const handleAvatarSuccess: UploadProps["onSuccess"] = (response) => {
  // console.log(response, uploadFile);
  trademarkData.value.logoUrl = response.data;
};

const beforeAvatarUpload: UploadProps["beforeUpload"] = (rawFile) => {
  if (rawFile.type !== "image/jpeg") {
    ElMessage.error("Avatar picture must be JPG format!");
    return false;
  } else if (rawFile.size / 1024 / 1024 > 2) {
    ElMessage.error("Avatar picture size can not exceed 2MB!");
    return false;
  }
  return true;
};

//修改品牌的事件回调函数
const updateTrademark = (row: trademarkItemType) => {
  //每次打开弹窗先关闭之前的校验提示
  formEle.value?.clearValidate();
  dialogVisible.value = true;
  trademarkData.value = { ...row };
};

//新增品牌的事件回调函数
const addTrademark = () => {
  //每次打开弹窗先关闭之前的校验提示
  formEle.value?.clearValidate();

  trademarkData.value = {
    tmName: "",
    logoUrl: "",
  };
  dialogVisible.value = true;
};

//新增或者修改品牌的回调函数
const addOrUpdate = async () => {
  //整体校验(因为校验失败会返回失败的promise,所以我们需要进行异常处理)
  try {
    const re = await formEle.value?.validate();
    console.log(re);
    if (!re) {
      return;
    }
  } catch (e) {
    return;
  }

  try {
    //先根据trademarkData中的id判断当前是更新还是新增
    if (trademarkData.value.id) {
      await reqUpdateTrademark(trademarkData.value);
      ElMessage.success("更新成功");
    } else {
      await reqAddTrademark(trademarkData.value);
      ElMessage.success("新增成功");
    }
  } catch (e: any) {
    ElMessage.error(e.message);
  }
  //关闭弹窗
  dialogVisible.value = false;
  // 重新获取数据
  initTrademark();
};

//表单校验的规则定义
const rules = reactive<FormRules>({
  tmName: [{ required: true, message: "品牌名称不能为空", trigger: "blur" }],
  logoUrl: [{ required: true, message: "品牌的logo不能为空", trigger: "blur" }],
});

//删除某个品牌
/* const deleteTrademark = async (id: number) => {
  
}; */

const confirmDelete = async (id: number) => {
  try {
    await reqDeleteTrademark(id);
    // 重新获取数据
    initTrademark();
  } catch (e: any) {
    ElMessage.error(e.message);
  }
};
</script>

<style scoped>
.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>
